Plug-cock



(No Model.) J. POWELL.

PLUG 000K. No. 369,613. Paftented Sept. 6, 1887.

FIG-.2.

UNITED STATES PATENT OEEicE.

JAMES POWELL, OF CINCINNATI, OHIO.

PLUG- SPECIFICATION' forming part of Letters Patent No. 369,613, datedSeptember 6, 1887.

.Application tiled January 21. 18

To ZZ whom t may concern,.-

Be it known that I, JAMES POWELL, a citizen of the United States,residing at Cincinnati, in the county of Hamilton, State of Ohio, haveinvented certain new and useful Improvements in Plug-Cocks, of which thefollowing is a specification, reference being had therein to theaccompanying drawings.

My invention relates more particularly to the ordinary stop -coek inwhich the key or plug is fitted and ground into a barrel or shell,

said key being retained in the barrel by the customary nut'and washer;but a part of my improvement is also applicable to the body or shell ofthe common globe,77 fangle or gate valve, as hereinafter described.

The object of theseimprovements is to provideva valve or cock that willnot be readily injured by the rough usage incidental to hand ling thesame or of laying lines of pipes to which they are attached; and myinvention consists iu protecting the side ofthe barrel or shell frominjury without at the same time undulyT increasing the weight ofmaterial, and thus adding to the original cost of manufacture.

In the ordinary stop cock or valve as commonl y constructed there is noprovision made to protect the barrel or shell from being sprung,strained, er otherwise damaged in shipment or handling before beingused, or, if used, from being injured or broken while being placed inposition in the trenches, Snc.

It frequently happens in laying long lines of pipes for street-service,either for water, steam, or gas, that a number of sections of pipe withthe service cocks are screwed together at one time and then lifted orthrown into the trench. This usage often produces a severe strain on theend of the cocks and twists them out of round and causes them to leak,and it is not infrequently the case that the valves or cocks areentirely broken off; or, as in the case of an out ofground service fornatural gas in suburban towns and villages, the pipe-line issometimes-left exposed to the vicissitudes of weather and changes oftemperature, under which conditions the service cocks or valves areoften subjected to in- 5o j ury by being carelesslythrown about orstruck 87. Serial No. 225,030. (No model.)

by stones or the wheels of passing vehicles or other hard substances,thus entailing vexa tious and expensive repairs and endangering propertyby leakageof gas. This liability to injury has necessitated the use ofexcessively greatly increasing the cost of such lines of service-pipes,whereas my improvement adds very little to the weight of such cocks orvalves, while they are much better calculated to resist undue strain orrough usage.

The rst part of my improvement consists in providing the sides of theshell or casing with integral fenders or guards of any desiredsize,shape, and number. These fenders usually take the shape of ribs orflanges, which project a suitable distance beyond the sides of theshell, in order that saidribs may come in con'- tact with the groundwhen the valve is carelessly thrown down, as hereinafter more fullydescribed.

The second part of my improvements consists in providing the sides oftheshell or casing with a series of smaller projections that guard saidshell from certain blows that the fenders could notso completely resist,as hereinafter more fully described.

The third part ofmy improvements. consists in further projecting theshell by provid- `ing the upper end of the plug or key with an enlargedcollar, and similarly enlarging the Washer at the smaller end of saidplug, as hcreinafter more fully described.

In the annexed drawings, Figure l is a side elevation of a cock or valveembodying my improvements. Fig. 2 is a vertical section of the same,taken at the line z ,e of Fig. 3. Fig. 3 is a plan ofthe top of theshell, the plug or key being removed therefrom.

A represents the shell or casing of an ordinary valve or cock, whichshell is provided with pipe ends B B and a plug or equivalent cut-off,C.

D represents a guard or fender cast with said shell and projecting fromthe side of the same as far as may be necessary, said fender being hereshown as an annular flange or rib, although the invention is not limitedto any specic size or form of such ange, provided such guard projectsbeyond the arch or weak part of thick and heavy valves or cocks, andthereby IOO 'indicates that the guard may be square, in-

stead of circular, while the other dottedline, H, suggests anoctagonal-shaped fender; but in all cases it is preferred to make thedevices D, D', G, and H rings, so as not to add materially to the Weightof the shell. The collar I at the upper or larger end of the plug isvery materially increased in diameter, in order that it may overhang thetop of the shell,and thereby protect the same at its Weakest point,asseen in Fig. 2 and indicated by the dotted circular line in Fig. 3. TheWasher J, applied to the lower or smaller end of said plug, is alsoenlarged in diameter for a similar purpose.

rlhe advantages of the above-described improvements will be readilyappreciated when it is understood that in laying lines it is customaryto 'couple a number of cocks to different sections of pipe and then dropthem bodily into the trench. Consequently this rough usage frequentlycauses the shell to come in violent contact with a stone or other hardobstruction, and, as a natural result, said shell is cracked and leaksas soon as gas is turned on.

Itwill be seen that my arrangement of fenders D D prevents a stonestriking point-blank against the comparatively thin sides of the shell,more particularly the central part or arch of the same, While thesmaller projections E E assist in protecting the ring D from the effectof a direct blow on the same, asit is evident the bases of the smallerprojection rest upon the quarters7 or strongest part of the casing.

It is also apparent that the enlarged collar I and Washer J coact withsaidfenders and projections to protect the shell from various otherblows incidental to the rapid and careless g method of laying long linesof pipe either for gas or steam.

It is also apparent that the rings D and projections E E are equallyapplicable to the sides of an ordinary shell of a globe, angle, orgatevalve; and, if desired, yielding-cushions may be inserted withineither of the ring or rings, as indicated by the dotted lines 'K K inFig, 2.

I claim as my inventionl. A cock or valve shell having a pair of pipeends, a cutoff for regulating the flow through said shell, and integralfenders projecting beyond the general surface of its opposite sides, forthe purpose described.

2. A cock or valve shell, A, having pipe ends B Bf, a cut-oft, as C,integral fenders D- D', and a series of smaller projections, E E', whichfenders and integral projections extend beyond the general surface oftheopposite sides of said shell, for the purpose described. v

3. A cock or valve shell, A, having a cutod', as C, provided with anextended integral collar, I, at top and extended separable washer J atbottom, which devices IJ project beyond the general surface of theopposite sides of said shell, for the purpose described.

4. .A cock or valve shell having a pair of pipe ends,acutoff, andintegral fenders,which fenders project beyond the general surface of theopposite sides of said shell and have elastic cushions fitted Withinthem, for the purpose specied. v

In testimony whereof I affix my signature in presence of two witnesses.

JAMES POWELL.

Witnesses:

JAMES H. LAYMAN, SAME. S. CARPENTER.

